Knock Block 62-Degree Headset Assembly with Display Chip

Service and replacement parts specifically for Trek Knock Block technology.<br /> - Trek proprietary headset components compatible with Trek Knock Block models<br /> - 62-degree headset fits 2020 & 2021 Supercaliber and 2021 Procaliber<br /> - Includes crown race, bearings, top cover, frame chip & fastener<br /> - Frame chip has display tabs to connect Bosch Kiox Mount sold separately<br /> - Must be paired with Knock Block stem and Knock Block spacers<br /> - Knock Block headset spacers not included